The resistance r of a wire is given by the relation R=pl/pie*r^2. percentage error in the measurement of p,l and r is 1%,2% and 3% respectively. The percentage error in the measurement of R is
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Explanation:
Simplify: (4x2 - 2x) - (-5x2 - 8x).
Solution:
(4x2 - 2x) - (-5x2 - 8x)
= 4x2 - 2x + 5x2 + 8x.
= 4x2 + 5x2 - 2x + 8x.
= 9x2 + 6x.
= 3x(3x + 2).
Answer: 3x(3x + 2)
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